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-rw-r--r--source3/lib/dbwrap/dbwrap_open.c92
-rw-r--r--source3/lib/dbwrap/dbwrap_open.h37
-rw-r--r--source3/lib/dbwrap/dbwrap_private.h38
3 files changed, 167 insertions, 0 deletions
diff --git a/source3/lib/dbwrap/dbwrap_open.c b/source3/lib/dbwrap/dbwrap_open.c
new file mode 100644
index 0000000000..d6b2f30ef6
--- /dev/null
+++ b/source3/lib/dbwrap/dbwrap_open.c
@@ -0,0 +1,92 @@
+/*
+ Unix SMB/CIFS implementation.
+ Database interface wrapper
+
+ Copyright (C) Volker Lendecke 2005-2007
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "dbwrap.h"
+#include "dbwrap/dbwrap_private.h"
+#include "dbwrap/dbwrap_open.h"
+#include "util_tdb.h"
+#ifdef CLUSTER_SUPPORT
+#include "ctdb_private.h"
+#endif
+
+/**
+ * open a database
+ */
+struct db_context *db_open(TALLOC_CTX *mem_ctx,
+ const char *name,
+ int hash_size, int tdb_flags,
+ int open_flags, mode_t mode)
+{
+ struct db_context *result = NULL;
+#ifdef CLUSTER_SUPPORT
+ const char *sockname = lp_ctdbd_socket();
+
+ if(!sockname || !*sockname) {
+ sockname = CTDB_PATH;
+ }
+
+ if (lp_clustering()) {
+ const char *partname;
+
+ if (!socket_exist(sockname)) {
+ DEBUG(1, ("ctdb socket does not exist - is ctdb not "
+ "running?\n"));
+ return NULL;
+ }
+
+ /* ctdb only wants the file part of the name */
+ partname = strrchr(name, '/');
+ if (partname) {
+ partname++;
+ } else {
+ partname = name;
+ }
+ /* allow ctdb for individual databases to be disabled */
+ if (lp_parm_bool(-1, "ctdb", partname, True)) {
+ result = db_open_ctdb(mem_ctx, partname, hash_size,
+ tdb_flags, open_flags, mode);
+ if (result == NULL) {
+ DEBUG(0,("failed to attach to ctdb %s\n",
+ partname));
+ if (errno == 0) {
+ errno = EIO;
+ }
+ return NULL;
+ }
+ }
+ }
+
+#endif
+
+ if (result == NULL) {
+ result = db_open_tdb(mem_ctx, name, hash_size,
+ tdb_flags, open_flags, mode);
+ }
+
+ if ((result != NULL) && (result->fetch == NULL)) {
+ result->fetch = dbwrap_fallback_fetch;
+ }
+ if ((result != NULL) && (result->parse_record == NULL)) {
+ result->parse_record = dbwrap_fallback_parse_record;
+ }
+
+ return result;
+}
diff --git a/source3/lib/dbwrap/dbwrap_open.h b/source3/lib/dbwrap/dbwrap_open.h
new file mode 100644
index 0000000000..153e91ad5d
--- /dev/null
+++ b/source3/lib/dbwrap/dbwrap_open.h
@@ -0,0 +1,37 @@
+/*
+ Unix SMB/CIFS implementation.
+ Database interface wrapper around tdb
+
+ Copyright (C) Volker Lendecke 2005-2007
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __DBWRAP_OPEN_H__
+#define __DBWRAP_OPEN_H__
+
+struct db_context;
+
+/**
+ * Convenience function that will determine whether to
+ * open a tdb database via the tdb backend or via the ctdb
+ * backend, based on lp_clustering() and a db-specific
+ * settings.
+ */
+struct db_context *db_open(TALLOC_CTX *mem_ctx,
+ const char *name,
+ int hash_size, int tdb_flags,
+ int open_flags, mode_t mode);
+
+#endif /* __DBWRAP_OPEN_H__ */
diff --git a/source3/lib/dbwrap/dbwrap_private.h b/source3/lib/dbwrap/dbwrap_private.h
new file mode 100644
index 0000000000..c8f3a1062f
--- /dev/null
+++ b/source3/lib/dbwrap/dbwrap_private.h
@@ -0,0 +1,38 @@
+/*
+ Unix SMB/CIFS implementation.
+ Database interface wrapper around tdb - private header
+
+ Copyright (C) Volker Lendecke 2005-2007
+ Copyright (C) Gregor Beck 2011
+ Copyright (C) Michael Adam 2011
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __DBWRAP_PRIVATE_H__
+#define __DBWRAP_PRIVATE_H__
+
+
+int dbwrap_fallback_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
+ TDB_DATA key, TDB_DATA *data);
+
+
+int dbwrap_fallback_parse_record(struct db_context *db, TDB_DATA key,
+ int (*parser)(TDB_DATA key,
+ TDB_DATA data,
+ void *private_data),
+ void *private_data);
+
+#endif /* __DBWRAP_PRIVATE_H__ */
+
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